Growing Oregano in Zone 3B

Oregano is a staple Mediterranean herb that’s perennial, drought-tolerant, and easy to grow.

Zone 3B has a short growing season — start seeds indoors when possible and use season-extending techniques like cold frames and row covers.

Top Growing Tips

• Perennial in zones 5-10 — very hardy once established
• Greek oregano has the best culinary flavor
• Cut plants back by 2/3 mid-summer for a fresh flush of growth
• Flowers attract pollinators — let some bloom
• Flavor is most intense just before flowering

Companion Planting

Good companions: peppers, tomatoes, basil

Avoid planting near: none in particular

Harvest Timeline

Begin harvesting when plants are 4-5 inches tall

About Zone 3B

USDA Hardiness Zone 3B has an average last spring frost around May 15 and first fall frost around Sep 15. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.